改被动语态 They have found ways to make waste water clean.

What decision have they made?改被动语态 改被动语态 They have found ways to make waste water clean. 改成被动语态：They have offered me. They have all been put to shame by a boy这句话说是被动语态,改为主动语态怎么改, 改被动语态：They write the business letters in English Will they take the books?(改被动语态） they should do the work at once改被动语态 They make machines in that factory.改被动语态 改被动语态They clean their classroom every day. How soon will they finish these highrises?改被动语态 They had lunch at school yesterday.改被动语态 They teach English in thrie school (改被动语态) They played games yesterday.改为被动语态怎么改? 改被动语态 改被动语态:I have never heard of the name. Have just finished my homework 改为被动语态怎么改? 改被动语态：The teacher will have a meeting tomrrow They have read these comic books.(改为被动语态）